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ws digital slides helpfile
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© 2012 Ward’s Natural Science
Contents
Recommended System Requirements.....................................................3 Additional Assistance ..............................................................................3 QUICK START GUIDE
In...
1462 Element of Month Beryllium BS
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All About Elements: Beryllium
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Fun Facts About… Beryllium 1. Prior to being named beryllium, this element
was known as glucinium, which originated from the Greek word glykys, meaning sweet. It w...
BS Element of Month Oxygen IA
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All About Elements: Oxygen
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Fun Facts About… Oxygen 1. Oxygen constitutes 21% of our atmosphere,
nearly half the mass of the earth’s crust and about two thirds of the human body. It is the third mos...
Element of Month Helium Boreal
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All About Elements: Helium
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Fun Facts About…Helium 1. Helium is the second most abundant ele-
ment after hydrogen in the universe and solar system. Approximately 11.3% of all atoms in the un...
WS Element of Month Fluorine boreal final v2
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1
All About Elements: Fluorine
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Boreal’s All About Elements Series Building Real-World Connections to the Building Blocks of Chemistry
The periodic table of elements is an essential part of any chemistr...
Pyrrhotite
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Pyrrhotite Fe1-xS (x = 0 - 0.17) Crystallography:
Monoclinic; 2/m (below about 250°C). Hexagonal; 6/m3/m2/m for high tempera- ture forms. Crystals rare, usually tabular to platy on {0001}. Also massive, granular.
Physical ...
Bornite
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Bornite (Na,K) AlSi3 O8 (Feldspar Group) Crystallography:
Orthorhombic - dipyramidal (2/m 2/m 2/m) Crystals rare; commonly massive. Physical Properties:
Cleavage: None. Fracture small conchoidal, uneven; britt...
Ilmenite
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Ilmenite Fe+2 Ti O3 Crystallography:
Hexagonal-R; 3. Crystals usually thick tabular with prominent basal planes and small rhombohedral truncations. Commonly in thin plates, massive or compact; also in grains o...
Andradite
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Andradite Ca3Fe2+3 (SiO4)3 (Garnet Group) Crystallography:
Isometric; 4/m32/m. Common forms are dodecahedron and trapezohedron, often in combination. Also massive, granular.
Physical Properties: Cleavage: None; parting sometimes distinct. Fracture...
Magnetite
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Magnetite Fe+2Fe2+3O4 (Spinel Group) Crystallography:
Isometric; 4/m32/m. Frequently in octahedral crystals; rarely dodecahedral. Commonly coarse-to fine-grained granular, massive.
Physical Properties: Cleavag...